Muscle Freak Metal Shaker is a premium shaker made of stainless steel.
A very reliable and durable shaker designed to withstand all fitness challenges. Muscle Freak Metal Shaker is a great alternative to a plastic shaker.
It is made of 100% stainless steel and does not bind odors, as is the case with most plastic shakers. A quality seal cover ensures full grip and prevents leakage.